China National Standards

China 163: GB Standards List

  •  China "163:" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GBZ/T 300.163-2018 Determination of toxic substances in workplace air - Part 163: Toluene diisocyanate
    工作场所空气有毒物质测定-第163部分：甲苯二异氰酸酯    		 China National Standards
    163:
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